Home / 117,741,145.79-162,479,913.66-64,817,423.30

Finding the Fourth Proportional to 117,741,145.79, 162,479,913.66 and 64,817,423.30

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Solution

The fourth proportional to 117,741,145.79, 162,479,913.66 and 64,817,423.30 is: 89,446,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,741,145.79 : 162,479,913.66 = 64,817,423.30 : x
  2. Step 2: Convert to fraction form
    117,741,145.79/162,479,913.66 = 64,817,423.30/x
  3. Step 3: Cross multiply
    117,741,145.79x = 162,479,913.66 × 64,817,423.30
  4. Step 4: Simplify right side
    117,741,145.79x = 10,531,529,341,853,872
  5. Step 5: Solve for x
    x = 10,531,529,341,853,872/117,741,145.79
  6. Step 6: Final answer
    x = 89,446,465.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.